blood sugar

noun

: the glucose in the blood

also : its concentration (as in milligrams per 100 milliliters)

Examples of blood sugar in a Sentence

As a diabetic, he needs his blood sugar to stay at the right levels.

Recent Examples on the Web

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

But research suggests that skipping breakfast may lead to higher post-meal blood sugar levels later in the day. — Caitlin Beale, HEALTH, 29 Oct. 2026 Examples include toxic protein clumps linked to Alzheimer’s, blood sugar levels in diabetes, blood pressure readings or imaging results from an MRI or CT scan. — Samantha Agate, Sacbee.com, 28 Oct. 2026 Zinc helps your pancreas produce and release insulin, the hormone that moves blood sugar from your bloodstream into your cells. — Brittany Lubeck, Verywell Health, 28 Oct. 2026 See All Example Sentences for blood sugar

Word History

First Known Use

1881, in the meaning defined above

Time Traveler

The first known use of blood sugar was in 1881

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bloodsucking bat

blood sugar

blood test

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Cite this Entry

Style

“Blood sugar.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/blood%20sugar. Accessed 30 Oct. 2026.

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Kids Definition

blood sugar

noun

: the glucose in the blood

especially : the amount or percentage of such sugar

Medical Definition

blood sugar

noun

: the glucose in the blood

also : its concentration (as in milligrams per 100 milliliters)

blood sugar

noun

Examples of blood sugar in a Sentence

Word History

Browse Nearby Words

Cite this Entry

Kids Definition

Medical Definition

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